Supporting device for mounting central air conditioner

The utility model discloses a supporting device for mounting a central air conditioner, which belongs to the technical field of supporting and comprises a base, a placing plate is arranged above the base, clamping plates are arranged on two sides of the top of the placing plate, moving and fixing cavities are arranged on two sides of the bottom of the base, and universal wheels are arranged on two sides of the inner periphery of each moving and fixing cavity. A rotating rod is arranged on the upper half portion of the inner circumference of the moving and fixing cavity, hollow worms and worm wheels used for controlling the universal wheels to rotate are arranged at the two ends of the outer circumference of the rotating rod, a top cavity is formed in the top of the base, threaded rods are arranged at the two ends of the two sides of the top cavity, the peripheries of the threaded rods are sleeved with threaded sleeves, and telescopic pieces are correspondingly arranged between the two threaded sleeves and the